Job DescriptionTCS has been a great pioneer in feeding the fire of Young Techies like you. We are a global leader in the technology arena and there's nothing that can stop us from growing together. Experience Range: 9 – 14 Yrs Location : Bang/Chennai What we are looking for Must Have - experience in enterprise email security and messaging platforms, with 5+ years dedicated to Cisco IronPort ESA in large, complex environments. - Robust knowledge of SMTP, DNS, FTP, SSH, TCP/IP, and secure mail routing principles. - Expertise in Cisco ESA features: AMP, DLP, encryption, content filtering, reputation-based controls, and outbreak filters. - Hands-on experience with policy design, disaster recovery planning, and risk analysis for email security. - Proficiency in UNIX/Linux administration, scripting (PowerShell, Python, Bash), and automation frameworks. - Solid networking knowledge, including firewalls, NAT, subnetting, and load balancing. - Experience integrating ESA with Microsoft Exchange (2016/2019) and Microsoft O365 environments.



- Familiarity with Active Directory/LDAP for directory integration and authentication. Responsibilities: - Architect and manage complex Cisco IronPort ESA deployments (physical & virtual), including high availability, clustering, and disaster recovery strategies. - Lead Tier-3/L4 troubleshooting for critical email security incidents, performing protocol-level analysis (SMTP, DNS, TLS) and root cause investigations. - Design and enforce security policies for spam filtering, malware protection (AMP), DLP, encryption, and outbreak filters to meet compliance and regulatory requirements. - Plan and execute migrations, upgrades, and capacity expansions for Cisco ESA appliances in large-scale environments. - Develop and execute test plans for new features, configurations, and integrations with Microsoft Exchange and Microsoft 365. - Integrate ESA with Security Management Appliance (SMA) for centralized reporting, quarantine management, and policy o

📌 Iron Port Admin (Bengaluru)
🏢 Tata Consultancy Services
📍 Bengaluru